Answer Happy

5. Ethylene glycol is a liquid organic compound that is used as antifreeze in car radiators. It freezes at- 11.50 °C. calculate it freezing temperature in degree Fahrenheit. 6. Does the following describe a physical change or a chemical change a. The helium gas inside a balloon tens to leak out after a few hours b. The growth of plants depends on the sun's energy in a process called photosynthesis. c. Frozen orange juice is reconstituted by adding water to it.